GPD2846A MP3 Decoder Module MicroSD 2W Class-D Amplifier 5V

GPD2846A MP3 Decoder Module with MicroSD TF Card Slot & 2W Class-D Amplifier

Add clear, crisp audio playback to your next electronics project with the GPD2846A MP3 Decoder Module. Built around the reliable GPD2846A chip, this compact SMD module decodes MP3 audio files stored on a MicroSD (TF) card and drives a speaker directly through its built-in 2W Class-D amplifier — all from a simple 5V USB or regulated power supply. Whether you're building a DIY music player, a custom alarm system, a voice-prompt device, or an interactive Arduino project, this module delivers clean sound output with minimal external components required.

Key Features

• GPD2846A Decoder Chip — Reliable MP3 decoding with stable performance
• MicroSD / TF Card Slot — Easily load and swap audio files via standard MicroSD cards
• 2W Class-D Amplifier — Energy-efficient amplification for driving small speakers directly
• 5V Power Supply — Compatible with USB power banks, Arduino 5V pins, and regulated DC supplies
• SMD Package — Compact form factor, ideal for space-constrained PCB designs and prototypes
• Arduino Compatible — Straightforward integration with Arduino, Raspberry Pi, and other microcontroller platforms
• Customizable — Supports custom configurations to suit a wide variety of project requirements

Specifications

What Can You Build With It?

This module is a go-to component for hobbyists, students, and engineers alike. Common applications include:

• DIY portable MP3 / music players
• Arduino-based sound effect triggers
• Voice announcement and alert systems
• Interactive toys and educational kits
• Home automation audio feedback modules

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Frequently Asked Questions

Q: What does the GPD2846A MP3 Decoder Module do?

A: The GPD2846A MP3 Decoder Module reads MP3 audio files from a MicroSD (TF) card and decodes them for playback through its onboard 2W Class-D amplifier, allowing you to connect a small speaker and output audio directly — no separate amplifier board required.

Q: What power supply does the GPD2846A module require?

A: The module operates on a standard 5V DC power supply, making it fully compatible with USB power sources, Arduino 5V output pins, and common regulated power adapters used in hobbyist and prototyping environments.

Q: Is the GPD2846A module compatible with Arduino?

A: Yes! The GPD2846A MP3 Decoder Module is designed for easy integration with Arduino boards and other popular microcontroller platforms such as Raspberry Pi. Its simple interface and 5V operation make it a seamless addition to most DIY electronics projects.

Q: What audio file format does this module support?

A: The module is designed to decode and play MP3 format audio files stored on a MicroSD (TF) card. Simply load your MP3 files onto the card, insert it into the slot, and power the module to begin playback.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.